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Natasha2012 [34]
3 years ago
11

What is the length of segment QV

Mathematics
2 answers:
Lyrx [107]3 years ago
8 0

Answer:

44

Step-by-step explanation:

ΔTRS ≅ ΔTRQ

TS = TQ

2x + 8 = 40

x = 16

The same situation

SV = QV

3 * 16 - 4 = 44

Degger [83]3 years ago
4 0

Answer:

44

Step-by-step explanation:

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Using the probability scale, what is the probability that a red cube will be drawn when a cube is selected from a bag that has 5
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Answer:

D

Step-by-step explanation:

Probability is calculated by divided the amount of something you have by the total amount. In this case, 5 red cubes by 10 total cubes to get .5. This falls into evens in your probability scale.

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magazine provided results from a poll of adults who were asked to identify their favorite pie. Among the ​respondents, ​% chose
Alex73 [517]

Complete Question

A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie. Among the 500 ​respondents, 12 ​% chose chocolate​ pie, and the margin of error was given as plus or minus 5 percentage points.What values do ​ \r p ,  \ \r q, ​n, E, and p​ represent? If the confidence level is 90​%, what is the value of \alpha ​?

Answer:

a

   \r p is the sample proportion   \r  p  =  0.12

   n is the  sample size is  n  =  500

   E is the  margin of error is E  =  0.05

   \r  q represents the proportion of those that did not chose chocolate​ pie i.e                        \r  q  =  1-  \r p

b

   \alpha  = 10\%

Step-by-step explanation:

Here

    \r p is the sample proportion   \r  p  =  0.12

   n is the  sample size is  n  =  500

    \r  q represents the proportion of those that did not chose chocolate​ pie i.e  

      \r  q  =  1-  \r p

      \r  q  =  1-  0.12

      \r  q  = 0.88

     E is the  margin of error is E  =  0.05

Generally \alpha is the level of significance and it value is mathematically evaluated as

     \alpha  = ( 100 -  C  )\%

Where  C is the confidence level which is given in this question as  C =  90  \%

So  

    \alpha  = ( 100 -  90  )\%

    \alpha  = 10\%

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3 years ago
Which equation represents the function graphed above?
8_murik_8 [283]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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